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Concorde had a maximum cruising altitude of 18,300 metres (60,000 ft) and an average cruise speed of Mach 2.02 (2,150 km/h; 1,330 mph), more than twice the speed of ...
For example, Concorde had very high drag (a lift to drag ratio of about 4) at slow speed, but it travelled at high speed for most of the flight. Designers of Concorde spent 5000 hours optimizing the vehicle shape in wind tunnel tests to maximize the overall performance over the entire flightplan.
Five years before Concorde’s first flight, ... as the aircraft’s components were all pushed to the limits. ... California, on May 11, 1964. With a wingspan of over 100 feet, six General ...
As of May 15, 2017, 41 states have maximum speed limits of 70 mph (113 km/h) or higher. 18 of those states have 75 miles per hour (121 km/h) speed limits or higher, while 7 states of that same portion have 80 mph (129 km/h) speed limits, with Texas even having an 85 miles per hour (137 km/h) speed limit on one of its toll roads.
When children are considered present, California law states the drivers must follow the posted school zone speed limit. Any driver caught going faster than that speed limit could be issued a ...
The maximum speed of a Bugatti Chiron (the fastest production road car) is 305 mph. The Mitubishi Mirage (the cheapest car available in the US in 2023) tops out at 105 mph.
The maximum speed limit in American Samoa is 30 mph (48 km/h), with 15 mph (24 km/h) in residential areas. [3] [8] The 30 miles per hour speed limit is the lowest maximum speed limit of any state or permanently inhabited territory. Although 30 mph is the maximum speed limit, in most areas 25 mph (40 km/h) is the maximum speed limit. [9]
The technology, known as intelligent speed assistance, uses GPS technology to compare a vehicle's speed with a dataset of posted speed limits. Once the car is at least 10 mph (16 kph) over the speed limit, the system would emit “a brief, one-time visual and audio signal to alert the driver.”